Home / 3,928.80-5,894.46-1,736.76

Finding the Fourth Proportional to 3,928.80, 5,894.46 and 1,736.76

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Solution

The fourth proportional to 3,928.80, 5,894.46 and 1,736.76 is: 2,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.80 : 5,894.46 = 1,736.76 : x
  2. Step 2: Convert to fraction form
    3,928.80/5,894.46 = 1,736.76/x
  3. Step 3: Cross multiply
    3,928.80x = 5,894.46 × 1,736.76
  4. Step 4: Simplify right side
    3,928.80x = 10,237,262.35
  5. Step 5: Solve for x
    x = 10,237,262.35/3,928.80
  6. Step 6: Final answer
    x = 2,605.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.